The act of ranting about your opinion, but at the same time knowing nobody cares. Mostly used in tags and not as an actual noun.
(insert hate towards band here) #unpopular opinion
by warawarawara March 20, 2011
Can you define these popular missing words?
An opinion disputed by the media as well as most of the "popular" population.
An example for unpopular opinion: #TweetYourUnpopularOpinion blonde girls aren't even hot at all
by kevin J February 01, 2014